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Rev 1.0 04/17/2006
Released
Literature # ADS-005104
Configuration Mode
(M0 : M1 : M2)
Prom Clock En
JP24
Prom Enable
JP25
Mode Jumpers
JP2
Notes
Master Serial
DEFAULT
(0:0:0)
DEFAULT
FPGA provides CCLK
Master Parallel (Master SelectMAP)
(1:1:0)
FPGA provides CCLK
Slave Serial
(1:1:1)
PROM provides CCLK
Slave Parallel (Slave SelectMAP)
(0:1:1)
PROM provides CCLK
Table 5 – FPGA Configuration from PROM … Jumper Setting
Design Revisioning With Platform Flash
The Spartan-3 Development Board is designed to support the advanced features of the parallel Platform Flash PROM
including support for multiple design revisions and compressed configuration files. These features are disabled by the default
jumper settings. If an MCS (prom file) has been built with multiple revisions, use the “BIT SEL” jumper (JP3) to select the
desired revision. By default, no jumpers are installed and rev 0 will be loaded. To load revision 1, a jumper would be placed
at JP3 position 1-2.
2.2.3 Custom
Configuration
Methods
In addition to JTAG chain signals, J1 provides the user with an interface to the FPGA dedicated and dual function
programming pins. This enables fly-wire support for the programming methods mentioned above and gives flexibility for
developing a custom programming solution.
TD
I
TCK
TMS
TD
O
GN
D
GN
D
VCC
CS_B
D0
D2
D3
D1
DONE
PROG_B
INIT_
B
BUSY/DOUT
D4
D6
D7
D5
RD
WR
_B
CCLK
Figure 10 - Fly Wire Connection J1